备份原有的源配置文件
$ cp /etc/apt/sources.list /etc/apt/sources.listbak
#删除该源配置文件
$ rm -f /etc/apt/sources.list
#生成国内的源配置文件
$ echo "deb http://ftp.cn.debian.org/debian/ stretch main" > /etc/apt/sources.list
$ echo "deb http://ftp.cn.debian.org/debian/ stretch-updates main"
$ echo "deb http://ftp.cn.debian.org/debian-security stretch/updates main"
#更新源
$ apt-get update
debian的全球镜像站：
https://www.debian.org/mirror/list
转载于：https://blog.csdn.net/github_38313789/article/details/80675556
注意事项：网络不通使用ifup 网卡名字
安装ssh工具
apt-get install ssh按y确认安装
配置多个ip：
auto enp1s0f0
iface enp1s0f0 inet static
address 103.97.229.247
netmask 255.255.255.0
gateway 103.97.229.254
auto enp1s0f0:1
iface enp1s0f0:1 inet static
address 103.97.229.248
netmask 255.255.255.0
auto enp1s0f0:2
iface enp1s0f0:2 inet static
address 103.97.229.165
netmask 255.255.255.0
dns-nameservers 114.114.114.114 8.8.8.8